Answer:
d) A chemical change results in a new substance being formed; whereas, a physical change will result in a different state of matter.
Explanation:
Answer:
The statement that accurately describes how scientists collect data is the method used to collect data depends on the desired data.
Explanation:
When a scientist decides to conduct research, he or she must consider the purpose of the research and the best way to conduct it. Once the purpose of the research has been defined and the hypothesis has been put forward, data collection becomes one of the most important steps.
Data collection must be adapted to the needs of the phenomenon to be studied, taking into account the most appropriate and reliable methods to achieve the objective.
<em>An adequate data collection method means choosing the best option to collect the necessary information and obtain the expected results in the investigation.</em>
Learn more:
Data collection example brainly.com/question/7139446
It kills the plant so no mineral salt
Answer:
Force, F = 90 N
Explanation:
Given that,
Mass of the bicycle and rider, m = 60 kg
Acceleration of the bicycle and rider, a = 1.5 m/s²
We need to find the force acting on the bicycle and rider to accelerate. Let it is F. Its force is given by :
F = ma
F = 60 kg × 1.5 m/s²
F = 90 N
So, the force acting on the bicycle and rider is 90 N.
Answer:
I'm sure you'll find your answer some time soon
